Base | Representation |
---|---|
bin | 1001110001100… |
… | …11100101100001 |
3 | 12201022001011101 |
4 | 10320303211201 |
5 | 131443001400 |
6 | 12045314401 |
7 | 2013663466 |
oct | 470634541 |
9 | 181261141 |
10 | 82000225 |
11 | 42317a8a |
12 | 23565a01 |
13 | 13cb0958 |
14 | ac6766d |
15 | 72eb56a |
hex | 4e33961 |
82000225 has 6 divisors (see below), whose sum is σ = 101680310. Its totient is φ = 65600160.
The previous prime is 82000201. The next prime is 82000229. The reversal of 82000225 is 52200028.
It can be written as a sum of positive squares in 3 ways, for example, as 3996001 + 78004224 = 1999^2 + 8832^2 .
It is not a de Polignac number, because 82000225 - 211 = 81998177 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82000229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1639980 + ... + 1640029.
Almost surely, 282000225 is an apocalyptic number.
It is an amenable number.
82000225 is a deficient number, since it is larger than the sum of its proper divisors (19680085).
82000225 is a wasteful number, since it uses less digits than its factorization.
82000225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3280019 (or 3280014 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 82000225 is about 9055.3975616756. The cubic root of 82000225 is about 434.4485459376.
The spelling of 82000225 in words is "eighty-two million, two hundred twenty-five", and thus it is an aban number.
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